Home / 376,159.24-564,336.06-139,569.40

Finding the Fourth Proportional to 376,159.24, 564,336.06 and 139,569.40

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Solution

The fourth proportional to 376,159.24, 564,336.06 and 139,569.40 is: 209,390.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,159.24 : 564,336.06 = 139,569.40 : x
  2. Step 2: Convert to fraction form
    376,159.24/564,336.06 = 139,569.40/x
  3. Step 3: Cross multiply
    376,159.24x = 564,336.06 × 139,569.40
  4. Step 4: Simplify right side
    376,159.24x = 78,764,045,292.56
  5. Step 5: Solve for x
    x = 78,764,045,292.56/376,159.24
  6. Step 6: Final answer
    x = 209,390.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.